feat: k8_cluster_destroy workflow

Author: andhreljaKern

.github/workflows/k8_cluster_apply.yml

@@ -10,15 +10,17 @@ permissions:
   actions: read
 
 jobs:
-  k8-apply:
-    name: 'Kubernetes Apply'
+  k8-cluster-apply:
+    name: 'K8: Apply Cluster'
     runs-on: ubuntu-latest
     environment: dev
     env:
-      KUBERNETES_NAMESPACE: "${{ vars.KUBERNETES_NAMESPACE }}"
+      KUBELOGIN_VERSION: "v0.0.25"
+      KUSTOMIZE_VERSION: "${{ vars.KUSTOMIZE_VERSION }}"
+      AZURE_RESOURCE_GROUP: "${{ vars.AZURE_RESOURCE_GROUP }}"
       KUBERNETES_CLUSTER_NAME: "${{ vars.KUBERNETES_CLUSTER_NAME }}"
+      KUBERNETES_NAMESPACE: "${{ vars.KUBERNETES_NAMESPACE }}"
       KUBERNETES_MANIFEST_PATH: "${{ vars.KUBERNETES_MANIFEST_PATH }}"
-      AZURE_RESOURCE_GROUP: "${{ vars.AZURE_RESOURCE_GROUP }}"
     steps:
     # Checkout the repository to the GitHub Actions runner
     - name: Checkout
@@ -27,7 +29,6 @@ jobs:
     - name: GitHub Configuration
       run: git config --global url."https://oauth2:${{ secrets.TOKEN_GITHUB }}@github.com".insteadOf https://github.com
 
-
     # Install the latest version of Kubernetes CLI and configure the Kubernetes CLI configuration file with a Kubernetes Cloud user API token
     - name: Azure Login
       uses: Azure/login@v2
@@ -40,30 +41,32 @@ jobs:
     - name: Set up kubelogin for non-interactive login
       uses: azure/use-kubelogin@v1
       with:
-        kubelogin-version: 'v0.0.25'
+        kubelogin-version: ${{ env.KUBELOGIN_VERSION }}
 
     - uses: azure/aks-set-context@v3
       with:
         resource-group: ${{ env.AZURE_RESOURCE_GROUP }}
         cluster-name: ${{ env.KUBERNETES_CLUSTER_NAME }}
         admin: 'false'
         use-kubelogin: 'true'
-        
-    # Deploys application based on given manifest file
-    # - name: Deploys application
-    #   uses: Azure/k8s-deploy@v4
-    #   with:
-    #     action: deploy
-    #     manifests: ${{ env.KUBERNETES_MANIFEST_PATH }}
-    #     namespace: ${{ env.KUBERNETES_NAMESPACE }}
-
+    
     # Installs kustomize using a custom script
     - name: Install Kustomize
       shell: bash
+      env:
+        INSTALL_KUSTOMIZE_SH: "cicd-deployment-scripts/k8-cluster/install_kustomize.sh"
       run: |
         git clone https://github.com/code-kern-ai/cicd-deployment-scripts.git
-        bash cicd-deployment-scripts/k8-cluster/install_kustomize.sh
+        bash ${{ env.INSTALL_KUSTOMIZE_SH }} -v ${{ env.KUSTOMIZE_VERSION }}
 
     - name: Apply Kustomization
       shell: bash
       run: kubectl apply -k ${{ env.KUBERNETES_MANIFEST_PATH }}
+
+    # Deploys application based on given manifest file
+    # - name: Deploys application
+    #   uses: Azure/k8s-deploy@v4
+    #   with:
+    #     action: deploy
+    #     manifests: ${{ env.KUBERNETES_MANIFEST_PATH }}
+    #     namespace: ${{ env.KUBERNETES_NAMESPACE }}

.github/workflows/k8_cluster_destroy.yml

@@ -0,0 +1,63 @@
+name: 'Kubernetes Destroy'
+
+on:
+  workflow_call:
+
+# Special permissions required for OIDC authentication
+permissions:
+  id-token: write
+  contents: read
+  actions: read
+
+jobs:
+  k8-cluster-destroy:
+    name: 'K8: Destroy Deployments & Services'
+    runs-on: ubuntu-latest
+    environment: dev
+    env:
+      KUBERNETES_NAMESPACE: "${{ vars.KUBERNETES_NAMESPACE }}"
+      KUBERNETES_CLUSTER_NAME: "${{ vars.KUBERNETES_CLUSTER_NAME }}"
+      KUBERNETES_MANIFEST_PATH: "${{ vars.KUBERNETES_MANIFEST_PATH }}"
+      AZURE_RESOURCE_GROUP: "${{ vars.AZURE_RESOURCE_GROUP }}"
+    steps:
+    # Checkout the repository to the GitHub Actions runner
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: GitHub Configuration
+      run: git config --global url."https://oauth2:${{ secrets.TOKEN_GITHUB }}@github.com".insteadOf https://github.com
+
+    # Install the latest version of Kubernetes CLI and configure the Kubernetes CLI configuration file with a Kubernetes Cloud user API token
+    - name: Azure Login
+      uses: Azure/login@v2
+      with:
+        client-id: ${{ secrets.AZURE_CLIENT_ID }}
+        tenant-id: ${{ secrets.AZURE_TENANT_ID }}
+        subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
+
+    # Use kubelogin to configure your kubeconfig for Azure auth
+    - name: Set up kubelogin for non-interactive login
+      uses: azure/use-kubelogin@v1
+      with:
+        kubelogin-version: 'v0.0.25'
+
+    - uses: azure/aks-set-context@v3
+      with:
+        resource-group: ${{ env.AZURE_RESOURCE_GROUP }}
+        cluster-name: ${{ env.KUBERNETES_CLUSTER_NAME }}
+        admin: 'false'
+        use-kubelogin: 'true'
+        
+    # Deploys application based on given manifest file
+    # - name: Deploys application
+    #   uses: Azure/k8s-deploy@v4
+    #   with:
+    #     action: deploy
+    #     manifests: ${{ env.KUBERNETES_MANIFEST_PATH }}
+    #     namespace: ${{ env.KUBERNETES_NAMESPACE }}
+
+    - name: Destroy Deployments
+      shell: bash
+      run: |
+        git clone https://github.com/code-kern-ai/cicd-deployment-scripts.git
+        bash cicd-deployment-scripts/k8-cluster/k8_destroy.sh

k8-cluster/destroy.sh

@@ -0,0 +1,13 @@
+# !/bin/bash
+set -e
+
+KUBERNETES_DEPLOYMENTS=$(kubectl get deployment --output json | jq -r '.items[].metadata.name')
+KUBERNETES_SERVICES=$(kubectl get service --output json | jq -r '.items[].metadata.name')
+
+for deploy in $KUBERNETES_DEPLOYMENTS; do
+  kubectl delete deployment $deploy
+done
+
+for svc in $KUBERNETES_SERVICES; do
+  kubectl delete service $svc
+done

k8-cluster/install_kustomize.sh

@@ -3,7 +3,7 @@ set -e
 
 KUSTOMIZE_VERSION="5.3.0"
 
-while getopts v flag
+while getopts v: flag
 do
     case "${flag}" in
         v) KUSTOMIZE_VERSION=${OPTARG};;